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<?php
if( defined( 'ABSPATH' ) == false )
die();
$wpmuBaseTablePrefix = $table_prefix;
$domain = addslashes( $_SERVER['HTTP_HOST'] );
if( substr( $domain, 0, 4 ) == 'www.' )
$domain = substr( $domain, 4 );
$domain = preg_replace('/:.*$/', '', $domain); // Strip ports
$path = preg_replace( '|([a-z0-9-]+.php.*)|', '', $_SERVER['REQUEST_URI'] );
$path = str_replace ( '/wp-admin/', '/', $path );
$path = preg_replace( '|(/[a-z0-9-]+?/).*|', '$1', $path );
$wpdb->hide_errors();
#$sites = $wpdb->get_results( "SELECT * FROM $wpdb->site" );
#if( count( $sites ) == 1 ) {
#$current_site = $sites[0];
#}
if( isset( $current_site ) == false ) {
$path = substr( $_SERVER[ 'REQUEST_URI' ], 0, 1 + strpos( $_SERVER[ 'REQUEST_URI' ], '/', 1 ) );
if( constant( 'VHOST' ) == 'yes' ) {
$current_site = $wpdb->get_row( "SELECT * FROM $wpdb->site WHERE domain = '$domain' AND path='$path'" );
if( $current_site == null ) {
$current_site = $wpdb->get_row( "SELECT * FROM $wpdb->site WHERE domain = '$domain' AND path='/'" );
if( $current_site == null ) {
$sitedomain = substr( $domain, 1 + strpos( $domain, '.' ) );
$current_site = $wpdb->get_row( "SELECT * FROM $wpdb->site WHERE domain = '$sitedomain' AND path='$path'" );
if( $current_site == null ) {
$path = '/';
$current_site = $wpdb->get_row( "SELECT * FROM $wpdb->site WHERE domain = '$sitedomain' AND path='$path'" );
if( $current_site == null && defined( "WP_INSTALLING" ) == false )
die( "No WPMU site defined on this host." );
}
} else {
$path = '/';
}
}
} else {
$current_site = $wpdb->get_row( "SELECT * FROM $wpdb->site WHERE domain = '$domain' AND path='$path'" );
if( $current_site == null ) {
$path = '/';
$current_site = $wpdb->get_row( "SELECT * FROM $wpdb->site WHERE domain = '$domain' AND path='$path'" );
if( $current_site == null && defined( "WP_INSTALLING" ) == false )
die( "No WPMU site defined on this host." );
}
}
}
if( constant( 'VHOST' ) == 'yes' ) {
$current_blog = $wpdb->get_row("SELECT * FROM $wpdb->blogs WHERE domain = '$domain'");
if( $current_blog != null ) {
$current_site = $wpdb->get_row("SELECT * FROM $wpdb->site WHERE id='{$current_blog->site_id}'");
} else {
$blogname = substr( $domain, 0, strpos( $domain, '.' ) );
}
} else {
$blogname = htmlspecialchars( substr( $_SERVER[ 'REQUEST_URI' ], strlen( $path ) ) );
if( strpos( $blogname, '/' ) )
$blogname = substr( $blogname, 0, strpos( $blogname, '/' ) );
if( strpos( $blogname, '?' ) )
$blogname = substr( $blogname, 0, strpos( $blogname, '?' ) );
$blognames = array( 'blog', 'wp-admin', 'wp-includes', 'wp-content', 'files', 'feed' );
if( $blogname == '' || in_array( $blogname, $blognames ) || is_file( $blogname ) || is_blogname_page( $blogname ) ) {
$current_blog = $wpdb->get_row("SELECT * FROM $wpdb->blogs WHERE domain = '$domain' AND path = '$path'");
} else {
$current_blog = $wpdb->get_row("SELECT * FROM $wpdb->blogs WHERE domain = '$domain' AND path = '{$path}{$blogname}/'");
}
}
if( defined( "WP_INSTALLING" ) == false ) {
if( $current_site && $current_blog == null ) {
header( "Location: http://{$current_site->domain}{$current_site->path}wp-signup.php?new=" . urlencode( $blogname ) );
die();
}
if( $current_blog == false || $current_site == false )
is_installed();
}
function is_blogname_page( $blogname ) {
global $wpdb, $table_prefix;
// is the request for a page of the main blog? We need to cache this information somewhere to save a request
$pages = $wpdb->get_col( "SELECT post_name FROM {$table_prefix}1_posts WHERE post_type='page'" );
if( in_array( $blogname, $pages ) ) {
return true;
} else {
return false;
}
}
$blog_id = $current_blog->blog_id;
$public = $current_blog->public;
$site_id = $current_blog->site_id;
if( $site_id == 0 )
$site_id = 1;
$current_site->site_name = $wpdb->get_var( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = '$site_id' AND meta_key = 'site_name'" );
if( $current_site->site_name == null )
$current_site->site_name = ucfirst( $current_site->domain );
if( $blog_id == false ) {
// no blog found, are we installing? Check if the table exists.
if ( defined('WP_INSTALLING') ) {
$query = "SELECT blog_id FROM ".$wpdb->blogs." limit 0,1";
$blog_id = $wpdb->get_var( $query );
if( $blog_id == false ) {
// table doesn't exist. This is the first blog
$blog_id = 1;
} else {
// table exists
// don't create record at this stage. we're obviously installing so it doesn't matter what the table vars below are like.
// default to using the "main" blog.
$blog_id = 1;
}
} else {
$check = $wpdb->get_results( "SELECT * FROM $wpdb->site" );
if( $check == false ) {
$msg = ': DB Tables Missing';
} else {
$msg = '';
}
die( "No Blog by that name on this system." . $msg );
}
}
$wpdb->show_errors();
if( '0' == $current_blog->public ) {
// This just means the blog shouldn't show up in google, etc. Only to registered members
}
if( $current_blog->archived == '1' ) {
die( 'This blog has been archived or suspended.' );
}
if( $current_blog->spam == '1' ) {
die( 'This blog has been archived or suspended.' );
}
function is_installed() {
global $wpdb, $domain, $path;
$base = stripslashes( $base );
if( defined( "WP_INSTALLING" ) == false ) {
$check = $wpdb->get_results( "SELECT * FROM $wpdb->site" );
if( $check == false ) {
$msg = '<strong>Database Tables Missing.</strong><br /> The table <em>' . DB_NAME . '::' . $wpdb->site . '</em> is missing. Delete the .htaccess file and run the installer again!<br />';
} else {
$msg = '<strong>Could Not Find Blog!</strong><br />';
$msg .= "Searched for <em>" . $domain . $path . "</em> in " . DB_NAME . "::" . $wpdb->blogs . " table. Is that right?<br />";
}
$msg .= "<br />\n<h1>What do I do now?</h1>";
$msg .= "Read the <a target='_blank' href='http://trac.mu.wordpress.org/wiki/DebuggingWpmu'>bug report</a> page. Some of the guidelines there may help you figure out what went wrong.<br />";
$msg .= "If you're still stuck with this message, then check that your database contains the following tables:<ul>
<li> $wpdb->blogs </li>
<li> $wpdb->users </li>
<li> $wpdb->usermeta </li>
<li> $wpdb->site </li>
<li> $wpdb->sitemeta </li>
<li> $wpdb->sitecategories </li>
</ul>";
$msg .= "If you suspect a problem please report it to <a href='http://mu.wordpress.org/forums/'>support forums</a> but follow the <a href='http://trac.mu.wordpress.org/wiki/DebuggingWpmu'>guidelines</a>!<br /><br />";
if( is_file( 'release-info.txt' ) ) {
$msg .= 'Your bug report must include the following text: "';
$info = file( 'release-info.txt' );
$msg .= $info[ 4 ] . '"';
}
die( "<h1>Fatal Error</h1> " . $msg );
}
}
$table_prefix = $table_prefix . $blog_id . '_';
?>
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